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目的探讨CT在股骨头缺血坏死病人诊断中的应用。方法对 5 0例 ( 70髋 )股骨头缺血坏死 (ANFH)病人及 3 0例 ( 4 0髋 )正常人进行CT检查 ,并将其结果与MRI及X线平片分期进行对比分析。结果5 0例中Ⅰ期者X平片为 40例 ,CT为 2 5例 ;Ⅱ期者X平片为 15例 ,CT为 3 0例 ;余10例Ⅲ～Ⅳ期者X线平片与CT相同。结论虽然CT诊断不如MRI灵敏 ,但在显示股骨头骨折方面明显优于MRI及X线平片。因此 ,CT诊断可以提高疾病分期级别 ,有助于治疗方案的选择
Objective To investigate the application of CT in the diagnosis of patients with avascular necrosis of the femoral head. Methods CT examination of 50 patients (70 hips) with avascular necrosis of the femoral head (ANFH) and 30 normal controls (40 hips) were performed and compared with MRI and X-ray plain imaging . Results 50 cases in stage Ⅰ X-ray film was 40 cases, CT was 25 cases; Ⅱ phase X-ray film was 15 cases, CT was 30 cases; the remaining 10 cases Ⅲ ~ Ⅳ X-ray The same slice and CT. Conclusion Although CT diagnosis is less sensitive than MRI, it is superior to MRI and X-ray in displaying femoral head fracture. Therefore, CT diagnosis can improve the disease staging level, contribute to the choice of treatment options